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  Jacob Co 330.100.11.NS.KA.4NS Grand Five Time Zone Replica watch
 
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 2019年5月10日 10:49 JST (参照数 96回)  
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登録日: 2019年2月23日
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Jacob Co 330.100.11.NS.KA.4NS Grand Five Time Zone Replica watch

Brand Jacob Co
Series Grand Five Time Zone
Reference 330.100.11.NS.KA.4NS
Movement Quartz
Case Steel with PVD coating
Diameter 47 mm
Gender men
Dial Color Red
Bracelet rubber
Clasp Folding
Glass Sapphire
Quality Japanese AAA
Water resistant Yes
Functions hours, minutes, world time

buy replicas watch Quartz watch is mainly composed of quartz resonator, integrated circuit, stepper motor (for pointer type), liquid crystal display (for digital display), watch battery or AC power supply, in addition to conductive rubber, trimmer capacitor, lighting bulb , buzzer and other components.
The structural characteristics of the quartz clock are similar to those of quartz watches, but since the quartz clock can be used with a larger capacity battery or with AC power, LEDs can be used to display time and display colors. Digital quartz clocks can also be made into large clocks for outdoor use. The LCD display is only suitable for small, power-saving quartz clocks. In addition, quartz oscillators of quartz clocks mostly use 4.19MHz quartz resonators with better temperature and frequency characteristics, and 32768Hz quartz resonators; music clocks are often added to the clock; stepper motors have large output torques, etc. . These are designed to accommodate the large quartz clock face and complex use environment.

CMOS integrated circuits are one of the most critical components in quartz clocks. Quartz watches require micropower (1μA), small size, and low voltage (1.5V), for which a special medium- and large-scale CMOS integrated circuit is required. In pointer and digital quartz watches, the functions performed by CMOS are not exactly the same. In the pointer quartz watch, it is necessary to complete the operations of oscillating, frequency dividing, driving stepping motor, etc., generally using medium-sized CMOS integrated circuits; in digital quartz watches, in addition to oscillating, frequency dividing, boosting, driving In addition to functions such as liquid crystal display, it is often necessary to complete various functions such as time and stopwatch, so a large-scale CMOS integrated circuit is used. The integrated circuit in the quartz clock is basically similar to that in the quartz watch, but because the quartz clock requires a large output power, the power consumption of the circuit (from tens of microamps to several hundred microamps) is much larger than that of the quartz watch, so the work of the integrated circuit The consumption is also large.urwerk replica

The LCD screen is a digital quartz watch and some digital quartz clocks used to display time. Liquid crystals are crystals of certain organic compounds (such as aromatic compounds) in a liquid state, and have both the dual properties of liquid and crystal. The digital display on the LCD screen utilizes the effect of the distortion effect of the liquid crystal combined with the polarized light. Each digit symbol on the LCD consists of 7 segments, which are controlled by the circuit to display different numbers.

The second hand of the quartz watch is a one-hop jump. It is very accurate when walking. Generally, the monthly difference is within 15 seconds. There are two needles and two needles.
The integrated circuit is used in the movement, the structure is much simpler than the mechanical movement, and the assembly is very simple.
Easy to use, no need to wind up, a battery can generally be used for 2-3 years. However, some quartz watches use lithium batteries, which have a long service life and can be used for about 7-8 years.
The price of quartz watches is relatively cheaper than mechanical watches (the same brand and the same style), but some high-end brand quartz watches are expensive because the brand is good, the appearance of materials is good (18K gold or diamond or precious metal), the design is excellent, resulting in some quartz watches than the general Mechanical watches are much more valuable.

Quartz watches mainly include digital quartz watches, pointer quartz watches, automatic quartz watches and optical kinetic energy watches.hublot big bang replica







 
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